CVE-2025-2603: Advocate Office Management System SQLi Flaw

CVE-2025-2603 Overview

CVE-2025-2603 is a SQL injection vulnerability in SourceCodester Kortex Lite Advocate Office Management System version 1.0. The flaw resides in deactivate.php, where the ID parameter is passed to a backend SQL query without proper sanitization. A remote authenticated attacker can manipulate the ID argument to inject arbitrary SQL statements. The exploit has been publicly disclosed, increasing the risk of opportunistic attacks against exposed installations. The vulnerability is categorized under [CWE-74] (Improper Neutralization of Special Elements in Output Used by a Downstream Component).

Critical Impact
Remote attackers with low-privilege access can extract, modify, or delete database records by injecting SQL through the ID parameter in deactivate.php.

Affected Products

Mayurik Advocate Office Management System 1.0
SourceCodester Kortex Lite Advocate Office Management System 1.0
Deployments using the vulnerable deactivate.php component

Discovery Timeline

2025-03-21 - CVE-2025-2603 published to NVD
2026-06-17 - Last updated in NVD database

Technical Details for CVE-2025-2603

Vulnerability Analysis

The vulnerability exists in the deactivate.php script of the Kortex Lite Advocate Office Management System. The application accepts the ID parameter through an HTTP request and concatenates it directly into a SQL query. This lack of parameterization allows attackers to break out of the intended query context and append malicious SQL clauses. Successful exploitation compromises confidentiality, integrity, and availability of stored case records, client information, and authentication data.

Root Cause

The root cause is improper neutralization of user-supplied input before it is passed to the database engine. The deactivate.php endpoint does not use prepared statements or input validation for the ID argument. Any string supplied is interpreted as part of the SQL statement, enabling injection of arbitrary clauses such as UNION SELECT or boolean-based blind payloads.

Attack Vector

Exploitation is performed remotely over the network. An attacker requires low-level privileges on the application, then issues a crafted HTTP request targeting deactivate.php with a malicious ID value. No user interaction is required. Because the exploit is publicly available, scripted mass-scanning against exposed instances is a realistic scenario. See the GitHub CVE Issue Discussion and VulDB entry #300587 for technical details.

Detection Methods for CVE-2025-2603

Indicators of Compromise

HTTP requests to deactivate.php containing SQL metacharacters such as ', --, UNION, SELECT, or SLEEP( in the ID parameter.
Web server access logs showing unusually long or URL-encoded values for the ID query string parameter.
Database error messages or unexpected 500 responses returned from deactivate.php.
Outbound database queries touching tables unrelated to the deactivate workflow originating from the affected PHP script.

Detection Strategies

Deploy web application firewall (WAF) rules that flag SQL injection patterns targeting the deactivate.php endpoint.
Enable database query logging and correlate unexpected UNION, INFORMATION_SCHEMA, or boolean-based queries with front-end HTTP requests.
Perform authenticated vulnerability scans against the application to identify vulnerable deactivate.php endpoints.

Monitoring Recommendations

Continuously monitor authentication logs for compromised low-privilege accounts used to reach deactivate.php.
Alert on spikes in 4xx/5xx responses from PHP scripts handling database write operations.
Track outbound data volumes from the database server to detect bulk exfiltration following successful injection.

How to Mitigate CVE-2025-2603

Immediate Actions Required

Restrict network access to the Kortex Lite Advocate Office Management System to trusted networks or via VPN until a vendor patch is available.
Audit application accounts and disable unused low-privilege users that could be leveraged to reach the vulnerable endpoint.
Deploy WAF signatures blocking SQL injection payloads on requests to deactivate.php.

Patch Information

No official vendor patch or advisory has been published for CVE-2025-2603 at the time of the NVD entry. Operators should track the SourceCodester project for updates and review the VulDB entry for remediation guidance.

Workarounds

Modify deactivate.php to enforce strict type validation, casting the ID parameter to an integer before use in any SQL query.
Refactor database access in deactivate.php to use parameterized queries or prepared statements via PDO or MySQLi.
Apply least-privilege permissions to the database user account bound to the application to limit the blast radius of injection.
Remove or disable the deactivate.php endpoint if the deactivation workflow is not required.

bash

# Example: enforce integer casting in deactivate.php
# Replace direct concatenation such as:
#   $sql = "UPDATE users SET active=0 WHERE id=" . $_GET['ID'];
# With parameterized queries:
#   $stmt = $pdo->prepare('UPDATE users SET active=0 WHERE id = :id');
#   $stmt->bindValue(':id', (int)$_GET['ID'], PDO::PARAM_INT);
#   $stmt->execute();